/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package name.robertburrelldonkin.alfie;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

public class Conductor {

	private static final int DEFAULT_TIMEOUT_IN_MINUTES = 10;
	
	private final Cogs cogs;
	private final ExecutorService executor;
	
	public Conductor(final int threads, final Source source) {
		super();
		cogs = new Cogs(source);
		executor = Executors.newFixedThreadPool(threads, Executors.defaultThreadFactory());
	}
	
	public ExecutorService getExecutor() {
		return executor;
	}
	
	public Conductor manage(Cog cog) {
		cogs.manage(cog);
		return this;
	}

	public Conductor start() {
		cogs.start();
		return this;
	}

	public Conductor perform() {
		cogs.perform();
		return this;
	}

	public Conductor finish() {
		cogs.finish();
		executor.shutdown();
		try {
			executor.awaitTermination(DEFAULT_TIMEOUT_IN_MINUTES, TimeUnit.MINUTES);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		return this;
	}
}
